Fish feed can be produced using methods similar to those used for fishmeal, soybean meal, and other protein-based ingredients. However, the cost of fish feed has been rising steadily, squeezing the profit margins for fish farmers, while disease outbreaks and market price fluctuations are becoming more frequent. As a result, finding an affordable and efficient feed source has become a critical issue, especially for small and medium-sized fish farmers.
One promising solution is the use of chicken manure as a raw material for producing pelleted fish feed. This approach not only offers a low-cost alternative but also creates a mutually beneficial system between poultry and aquaculture, promoting a sustainable ecological cycle. Chicken manure, when properly processed, can serve as a valuable protein source for fish farming.
Dried chicken manure contains approximately 40% protein, making it a suitable ingredient for fish feed. However, raw chicken manure should not be directly fed to fish because it may contain parasite eggs, harmful bacteria, and other pathogens. To ensure safety and effectiveness, it must undergo fermentation or composting before being used in feed production.
The process involves mixing dried chicken manure (about 50%) with other ingredients such as corn flour, soybean cake, rapeseed cake, and bran. After thorough blending, the mixture is processed into pellet form. This method significantly reduces production costs—each 100 kg of chicken manure-based pellets costs around 20 RMB. Despite the low cost, the feeding performance and weight gain in fish are comparable to traditional feeds, making it a viable and eco-friendly option for farmers looking to improve their sustainability and profitability.
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